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386
RESULTS

Media Type
354
texts
30
audio
2
movies
Availability
384
Always Available
1
Available to Borrow
1
Waitlist
Year
14
2018
16
2017
2
2015
2
1974
3
1967
2
1965
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Topics & Subjects
244
Patents
244
Science
244
Technology
218
Meteorology
29
journals
27
Radio Program
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Collection
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Creator
192
franklin institute, philadelphia
50
franklin institute (philadelphia, pa.)
6
franklin institute, philadelphia. [from old catalog]
6
franklin, a.d.
3
alfred marshall mayer
3
humphreys, w. j. (william jackson), 1862-1949
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Language
378
English
1
German
1
Handwritten English
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